Standard Operating Procedure #
Chemical Acquisition, Storage & Disposal
(name) Laboratory(Lab location)(Depa rtmen t)
This SOP details the requirements for obtaining, storing and disposing ofchemicals in the (name) Labo rator y.
Acquis ition of C hem icals
The purchas e, transfer or use of any chem ical that is not on the existing inventory
for the laboratory must have prior approval
from the Lab Supervisor/Principal
Investiga tor (LS/P I) prior to purc hase o r use.
Before a hazardous material is used, information on proper handling, storage,and disp osal will be m ade ava ilable to those who ha ve poten tial exposu re. Amaterial safety data sheet is available for all hazardous materials purchased.
No chemical container is to be accepted without adequate identifying labelinformation. The label should include, at a minimum, the substance name,appropriate hazard warnings, and identification of the manufacturer or distributor.
The chemical inventory for the laboratory is contained in the Chemical HygienePlan as Appendix IV.
Inventories of any chemical materials synthesized in the laboratory must bedeveloped and made available to emergency response personnel, but should notbe includ ed in the C HP’s ch emic al inventory.
Air, water and bulk samples obtained by lab staff will not be consideredhazardous for inventory purposes if ma intained in a sealed container (bottle, air-tight bag) and labeled with a sample num ber that is cross-referenced to an entryin the Samples
Gastec Detector Tubes and dry cell batteries are not considered hazardous forinventory purposes.
Both the storage and working amounts of hazardous chemicals will be kept to am i ni m um .
All chemical containers mu st have a legible and firmly attached label. Containers
of peroxidizable chemicals (dioxane, THF, ethyl ether, etc.) will be dated whenreceived and also when opened.
Chemicals shall be stored in compatible containers which will be kept closedwhen not in use.
Periodic inventories will be conducted by the LS/PI
unneeded items will beidentified/disc arded, re turned to storage or proce ssed fo r hazardo us was tedisp osa l.
Storage of flammable/combustible liquids in excess of 10 gallons must be in anapp rove d flam ma ble m ateria ls cab inet. L ab pe rson nel ar e to n otify the LS/P I isflammable/combustible volume exceeds 10 gallons.
The lab refrigerator is not an acceptable storage location for flammable orcombustible liquids. Refrigerators/freezers used for flammable chemical storagemust be specifically approved for such use.
Compressed gas cylinders must be secured at all times with the straps attachedto the bench. The LS/PI is the only person authorized to connect, disconnect, ortranspo rt gas cylinde rs for the IA Q Mo nitor Tes t Bench .
Incom patible che mica ls mus t be segr egated by class. (Identify storage strategyand storage locations. Example:
Alcohols, ketones and alkanes will be stored in flammables cabinet #1.
Alkenes, ethers and aromatics will be stored in flammables cabinet #2.
Mineral acids will be stored in the corrosives storage cabinet beneath thechemical fume hood.
Oxidizers will be stored in the corrosives cabinet next to the fume hood.
Misc ellane ous salts will be s tored on th e she lves a long t he w est w all inalphabetical order.
Each person w orking in the laboratory has a responsibility to see that wastes areproperly packaged and disposed.
All lab staff processing chemicals for waste disposal must receive annual trainingcoordinated by DES - Environmental Affairs.
The laboratory's routine waste streams are as follows:
nickel-cadmium & metal hydride batteries
The sanitary drain will not be used for disposal of chemicals unless prior
is obtained from the lab director.
Broken glassware will be placed in a rigid cardboard box which will be tapedclosed and placed directly in the building’s dumpster.
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